<template>
    <div style="border: 1px solid #ccc">
        <Toolbar style="border-bottom: 1px solid #ccc" :editor="editorRef" :defaultConfig="toolbarConfig"
            :mode="mode" />
        <Editor style="height: 500px; overflow-y: hidden;" v-model="valueHtml" :defaultConfig="editorConfig"
            :mode="mode" @onCreated="handleCreated" />
    </div>
</template>

<script setup lang="js">
import '@wangeditor/editor/dist/css/style.css' // 引入 css

import { onBeforeUnmount, ref, shallowRef, onMounted, defineEmits, defineProps, watch } from 'vue'
import { Editor, Toolbar } from '@wangeditor/editor-for-vue'
const props = defineProps({
    modelValue: {
        type: String,
        required: false,
        default: ''
    }
})
const emit = defineEmits(['update:modelValue'])
const valueHtml = ref('')

watch(() => props.modelValue, (newVal) => {
    valueHtml.value = newVal;
})

watch(valueHtml, (newVal) => {
    emit('update:modelValue', newVal)
})



// 编辑器实例，必须用 shallowRef
const editorRef = shallowRef()

// 内容 HTML

// 模拟 ajax 异步获取内容
onMounted(() => {
    // setTimeout(() => {
    //     valueHtml.value = '<p>模拟 Ajax 异步设置内容</p>'
    // }, 1500)
})

const toolbarConfig = {}
const editorConfig = { placeholder: '请输入内容...' }

// 组件销毁时，也及时销毁编辑器
onBeforeUnmount(() => {
    const editor = editorRef.value
    if (editor == null) return
    editor.destroy()
})

const handleCreated = (editor) => {
    editorRef.value = editor // 记录 editor 实例，重要！
}
</script>

<style lang="scss" scoped>
:deep() {
    .w-e-toolbar {
        .w-e-bar-item {
            height: 28px;
            line-height: 28px;

            button {
                height: 28px;
                padding: 0 2px;
            }
        }

        .w-e-bar-divider {
            height: 28px;
        }
    }

}
</style>